Trimmer Recreation Area, CA Weather Forecast
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Trimmer Recreation Area Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY | THURSDAY |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 97°FHi: 36°C Lo: 71°FLo: 22°C | Hi: 97°FHi: 36°C Lo: 71°FLo: 22°C | Hi: 97°FHi: 36°C Lo: 71°FLo: 22°C | Hi: 97°FHi: 36°C Lo: 71°FLo: 22°C | Hi: 97°FHi: 36°C Lo: 71°FLo: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 641 PM PDT Thu Aug 20 2026 

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Trimmer Recreation Area Forecast Discussion
Issued: 1058 AM PDT Thu Aug 20 2026
Key Messages
1. Warmup continues today before trending back to seasonal averages.
2. Monsoonal moisture brings 5 to 15 percent chance of thunderstorms over the Sierra Nevada beginning Friday.
3. Breezy conditions take place over typical wind-prone areas including San Luis Reservoir, Lake Isabella and the Mojave Desert Slopes.
Discussion
... The heat continues as the ridge over the Southwest continues to persist with a trough off the coast. Today is expected to be the war...
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